<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <!--当需要获取input值的时候使用双向绑定-->
  <input type="text" v-model="msg">
  <h1>{{msg}}</h1>
  a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b
  <hr>
  <input type="radio" v-model="gender" value="草">男
  <input type="radio" v-model="gender" value="操">女
  <h2>{{gender}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
  let v = new Vue({
    el:"div",
    data:{
      msg:"双向绑定测试",
      gender:"男"
    }
  });
</script>
</body>
</html>